package com.kk.security;

import com.alibaba.fastjson.JSON;
import com.kk.common.lang.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 身份校验失败处理器，如 token 错误
 * @author K. L. Mao
 * @create 2019/1/11
 */
@Component
public class EntryPointUnauthorizedHandler implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json;charset=UTF-8");
        response.getWriter().print(JSON.toJSONString(Result.fail("登录失败,请重新登陆")));
    }
}